source:
pacpussensors/trunk/Vislab/lib3dv-1.2.0/lib3dv/eigen/doc/snippets/HouseholderQR_householderQ.cpp
| Last change on this file was 136, checked in by , 8 years ago | |
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| File size: 300 bytes | |
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| 1 | MatrixXf A(MatrixXf::Random(5,3)), thinQ(MatrixXf::Identity(5,3)), Q; |
| 2 | A.setRandom(); |
| 3 | HouseholderQR<MatrixXf> qr(A); |
| 4 | Q = qr.householderQ(); |
| 5 | thinQ = qr.householderQ() * thinQ; |
| 6 | std::cout << "The complete unitary matrix Q is:\n" << Q << "\n\n"; |
| 7 | std::cout << "The thin matrix Q is:\n" << thinQ << "\n\n"; |
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